Birthdays on 21 September
See also Deaths on 21 September
- Joseph Mazzello born 21 September 1983
- Maggie Grace born 21 September 1983
- Jack Ryder born 21 September 1981
- Nicole Richie born 21 September 1981
- Robert Hoffman born 21 September 1980
- Kareena Kapoor born 21 September 1980
- Paulo Costanzo born 21 September 1978
- Liam Gallagher born 21 September 1972
- Luke Wilson born 21 September 1971
- Ricki Lake born 21 September 1968
- Faith Hill born 21 September 1967
- Cheryl Hines born 21 September 1965
- David Wenham born 21 September 1965
- Rob Morrow born 21 September 1962
- Ethan Coen born 21 September 1957
- Bill Murray born 21 September 1950
- Jerry Bruckheimer born 21 September 1945
- Leonard Cohen born 21 September 1934
- Larry Hagman born 21 September 1931
